10/14:Assign A & B History of the Earth Crossword

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Across
  1. 5. A life-supporting gas.
  2. 6. Any place suitable for living.
  3. 8. Compacting and cementing
  4. 11. Liquid in a small quantity on a surface.
  5. 12. A gradual and continuous loss in number.
  6. 13. Melts to magma then cools.
  7. 15. The remains prehistoric organism.
  8. 16. Gasses surrounding the earth.
Down
  1. 1. Unsuitable for living in.
  2. 2. A continuous attack of asteroids or bombs.
  3. 3. Fly or move around in a circle.
  4. 4. Heat time and pressures makes me
  5. 7. The planet we live on.
  6. 9. A small rocky body orbiting the sun
  7. 10. A very small organism, especially a fugus.
  8. 14. A layer that absorbs sun’s radiation.